# Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises - Page 217: 74

(a) $f(-2) = 5$ (b) $f(0) = 0$ (c) $f(1) = 2$ (d) $f(4) = 4$

#### Work Step by Step

RECALL: If $(a, b)$ is on the graph of the function $y=f(x)$, then $f(a) = b$. (a) The graph of the function $y=f(x)$ contains the point $(-2, 5)$. Thus, $f(-2) = 5$. (b) The graph of the function $y=f(x)$ contains the point $(0, 0)$. Thus, $f(0) = 0$. (c) The graph of the function $y=f(x)$ contains the point $(1, 2)$. Thus, $f(1) = 2$. (d) The graph of the function $y=f(x)$ contains the point $(4, 4)$. Thus, $f(4) = 4$.

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